The 11th day of most months is referenced significantly less often compared to other dates, a phenomenon noted even before 9/11.
Google's algorithms have misidentified the '11th' as other forms like 'IIth', 'llth', and 'nth', leading to data inaccuracies.
The misreading issue stems from typographical similarities, as historical fonts often rendered '1', 'I', and 'l' similarly.
These errors have been prevalent since the 1860s, particularly due to the typewriter's design, which lacked a separate key for the numeral '1'.
Adjusting for these misreads explains the initially perceived low frequency of the '11th' in date references.
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